NumberResearchRecent prefix assignments
22 prefixes assigned in May 2026 · from the daily NANPA CO code file, 09/18/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, May 2026
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-05-29 | 442-894 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | EL CENTRO | CA |
| 2026-05-26 | 424-572 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | REDONDO | CA |
| 2026-05-26 | 657-871 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HUNTITNBCH | CA |
| 2026-05-26 | 657-872 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2026-05-26 | 949-907 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SADLBK VLY | CA |
| 2026-05-21 | 657-858 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HUNTITNBCH | CA |
| 2026-05-21 | 657-868 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FULLERTON | CA |
| 2026-05-21 | 657-869 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SANTA ANA | CA |
| 2026-05-21 | 657-870 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | WESTMINSTR | CA |
| 2026-05-21 | 949-884 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SADLBK VLY | CA |
| 2026-05-20 | 657-865 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2026-05-18 | 657-862 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2026-05-18 | 657-863 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HUNTITNBCH | CA |
| 2026-05-18 | 657-864 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SANTA ANA | CA |
| 2026-05-18 | 949-904 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SADLBK VLY | CA |
| 2026-05-13 | 657-856 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2026-05-13 | 657-861 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HUNTITNBCH | CA |
| 2026-05-11 | 657-853 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | CYPRESS | CA |
| 2026-05-11 | 657-854 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HUNTITNBCH | CA |
| 2026-05-11 | 657-997 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2026-05-11 | 949-902 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SADLBK VLY | CA |
| 2026-05-08 | 657-998 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SANTA ANA | CA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.